Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 698244: Hi, Whats the slope,x-intercept and y-intercept of the equation-
1/2x + 3/4 = 1/3y
Click here to see answer by ankor@dixie-net.com(22740)

Question 698283: Are the lines parallel
1/2y-2x=3 and 4x-y=0
Click here to see answer by Ryan.smarty.pants(1)

Question 698277: line that passes through (2,7) and (5,3)
Click here to see answer by MathLover1(20849)

Question 698376: What is the slope intercept form for a line passing through (-7,3) and the line is parallel to another line defined by x=4?
Click here to see answer by vleith(2983)

Question 698337: I feel really dumb, but I do not comprehend factoring at all. Maybe it's just that it's late, but how do I solve 15x^2 + 26x + 8 = 0
Click here to see answer by ankor@dixie-net.com(22740)

Question 698366: what does the equation 2x+3y+4=0 represent?
Click here to see answer by vleith(2983)

Question 698382: Find the slope of the line that goes through the given points.
(-1, 4), (5, 4)
Click here to see answer by Simnepi(216)

Question 698380: Find the slope of the line that goes through the given points.
(-1, 4), (5, 4)
Please help!!! How do I find the slope?
Click here to see answer by rfer(16322)

Question 698381: Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.
f(x) = -x2 - 2x - 6
Click here to see answer by Simnepi(216)

Question 698413: how do i write 2y+10=6x=12 in slop-intercept form?

Click here to see answer by Alan3354(69443)

Question 698415: how do i do these using substitution?
1. 2x-y=-6
4x+y=-6
2. 2x-y=3
4x-y=-1
3. 6x-5y=-1
5x-4y=-1
Click here to see answer by Alan3354(69443)

Question 698432: Determine the type of boundary line and shading for the graph of the inequality -3x + y > 6.
Dashed line with shading on the side that includes the origin.
Solid line with shading on the side that does not include the origin.
Dashed line with shading on the side that does not include the origin.
Solid line with shading on the side that includes the origin.
Click here to see answer by jim_thompson5910(35256)

Question 698431: I honestly don't know how to figure this one out.
x+y=40
x/20-y/5=1
Click here to see answer by Alan3354(69443)

Question 698460: Linear equation
1. [y=x-2
[y=-2x+7 Please show work so I know how to do it in graphing way. This is one problem just couldn't put the one large bracket on them.

Click here to see answer by Alan3354(69443)

Question 698478: Write the equation in standard form of the line through the point (-1,3) with slope 1/4
Click here to see answer by mananth(16946)

Question 698352: the hypotenuse of a right triangle is 45 ft. if each leg were 6 feet shorter, the area would decreased by 17 sq.ft. Find the lenght of the legs
Click here to see answer by KMST(5328)

Question 698638: Find the equation of a line perpendicular to 4x-3y+12=0 that has the same x intercept as 3y+18=9x
thanks, Karim
Click here to see answer by lwsshak3(11628)

Question 698656: I am unsure of how to do this question.
Algebraically determine the vertex of the parabola from the standard form (y= -6x^2 + 48x + 9) of the function using another method.
The first part of the question was to change it to vertex form using completing the square, I did that but I'm not sure what to do above.
Click here to see answer by MathLover1(20849)

Question 698655: I am unsure of how to do this question.
Algebraically determine the vertex of the parabola from the standard form (y= -6x^2 + 48x + 9) of the function using another method.
The first part of the question was to change it to vertex form using completing the square, I did that but I'm not sure what to do above.
Click here to see answer by MathLover1(20849)

Question 698679: what affects does the y intercept have on a graph
Click here to see answer by sofiyac(983)

Question 698688: which of the following ordered pairs is a soliton of the system
-6x-4y=-7
-8x+10y=-2
A(0.8, -0.5)
B(0.8, 0.5)
C(-0.8, 0.5)
D(0.5, 0.8)
Click here to see answer by sofiyac(983)

Question 698700: fine the slope, x-intercept, and y-intercept for the linear equation 4x+3y=9
Click here to see answer by sofiyac(983)

Question 698554: show whether the following vectors are dependent or independent u1(1.1.2.2) u2(1.2.3.2) u3(-1.1.2.1) u4(2.2.2.1)
Click here to see answer by Edwin McCravy(20055)

Question 698777: Solve the system y = 3x + 2 and 3y = 9x + 6 by using graph paper or graphing technology. What is the solution to the system?

Click here to see answer by checkley79(3341)

Question 698760: state the slope and y-intercept of the graph of each equation.
example: y+ -1/3x+4
please help, thanks!
Click here to see answer by Alan3354(69443)

Question 698787: Write and equation of the line, in the form y = mx + b, that is parallel to the line y - 3x = 6, and has a y-intercept of -2.
Thank you so much for your help
Click here to see answer by Simnepi(216)

Question 698828: Find the variables and the measure of each angle.
two lines cross each other like an X.
the top is (x+y+5) degrees
the one on the right is (2x) degrees
and the one to the left is (y) degrees
I have tried over and over to solve this problem but I don't know how to solve it with two variables.

Click here to see answer by Simnepi(216)

Question 698789: Write an equation of the line, in the form y = mx + b, that is parallel to the line 2x + 3y = 12, and passes through the origin.
Thank you so much for your help
Click here to see answer by Simnepi(216)

Question 698849: Write the equation of the line parallel to 2y-8x=-10 that goes through the point (0,-5).
Click here to see answer by Simnepi(216)

Question 698946: Determine the slope of the line passing through each point
(5,8) and (-4,6)
Click here to see answer by jim_thompson5910(35256)

Question 698939: dentify the correct slope and y-intercept of the equation 5x - 3y = -6
slope = ; y-intercept = (0, 2)
slope = -5; y-intercept = (0, -6)
slope = ; y-intercept = (0, 2)
slope = ; y-intercept = (0, -6)
Click here to see answer by mananth(16946)

Question 698998: Write an equation of the line that is parallel to the given line and passes through the given point.(I forgot how to solve these, just need a few examples)
1) y = 3 x - 1, (0,2)
2) y = x + 3, (1,2)
Thanks
Click here to see answer by MathLover1(20849)

Question 698925: (5,-2)m=3
Click here to see answer by ReadingBoosters(3246)

Question 699314: Use the given conditions to write an equation for the line in point-slope form.
Slope=4 passing through (-3,7)
Slope=6/7 passing through (8,7)

Click here to see answer by stanbon(75887)

Question 699313: Find an equation of the line L that passes through the point
(-6, 3)
and satisfies the given condition.
Click here to see answer by solver91311(24713)

Question 699323: Formulate but do not solve the problem.

The Johnson Farm has 500 acres of land allotted for cultivating corn and wheat. The cost of cultivating corn and wheat (including seeds and labor) is $44 and $28 per acre, respectively. Jacob Johnson has $17,200 available for cultivating these crops. If he wishes to use all the allotted land and his entire budget for cultivating these two crops, how many acres of each crop should he plant? (Let x and y denote the number of acres of corn and wheat, respectively.)
Click here to see answer by josmiceli(19441)

Question 699382: solve the following system
x^2+y=3
xy=2
Click here to see answer by mananth(16946)

Question 699361: Use the substitution method to solve th linear system
5x-4y=50
10x+y=10
i keep getting fraction answers.. Please Help~

Click here to see answer by KMST(5328)

Question 699429: Find an equation of the line passing through
the point (-6, 5) with slope m = 5.
Click here to see answer by DrBeeee(684)

Question 699383: solve the following system
x+2y+1=0
xy-y=0
Click here to see answer by ankor@dixie-net.com(22740)

Question 699447: Find an equation of the line passing through
the point (7, 6) with slope m = 2.
Click here to see answer by stanbon(75887)

Question 699502: Find the x- and y-intercepts of the equation -6x + 3y = -9 The x-intercept is ( ,0). The y-intercept is (0, ).
I missed class the day we learned about this. Could you please show me how
to find them.
Click here to see answer by mananth(16946)

Question 699545: Solve each system by elimination. Check your answer.
3x+3y=15 and -2x+3y=-5
Click here to see answer by thair(3)

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11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045